CVE-2024-38636 f2fs: multidev: fix to recognize valid zero block address

In the Linux kernel, the following vulnerability has been resolved: f2fs: multidev: fix to recognize valid zero block address As reported by Yi Zhang in mailing list 1, kernel warning was catched during zbd/010 test as below: ./check zbd/010 zbd/010 test gap zone support with F2FS failed runtime...

CVE-2024-38636

CVE-2024-38636 (Linux kernel, f2fs multi-device support) : The issue occurs when using multiple block devices with F2FS where reads on the non-primary device are mapped to the first block (address 0). This causes f2fs_map_blocks() to return a valid zero block address, but f2fs_iomap_begin() treat...